15:41

C2 polyglot? It's probably a LIE (here's why)

36:52

He Claims to Have Learned 50+ Languages in 3 YEARS!

33:30

How Many Languages Does @gowithkob REALLY Speak?

18:38

He Learned 24 Languages—Then They Scanned His Brain

14:02

Why speaking a language DOESN'T lead to fluency.